// Copyright 2005, 2006 - Morten Nielsen (www.iter.dk)
//
// This file is part of SharpMap.
// SharpMap is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// SharpMap is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public License
// along with SharpMap; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 

using System;

namespace SharpMap.Styles
{
    /// <summary>
    /// Defines an interface for defining layer styles
    /// </summary>
    /// <remarks>
    /// Implementation should 
    /// <list type="Bullet">
    /// <item>be treated as immutable once assigned to a <see cref="SharpMap.Layers.Layer"/>.</item>
    /// <item>consider also implementing <see cref="T:System.ICloneable"/> and clone all graphic objects.</item>
    /// </list>
    /// </remarks>
    public interface IStyle : IDisposable
    {
        /// <summary>
        /// Gets or sets the minimum zoom value where the style is applied
        /// </summary>
        double MinVisible { get; set; }

        /// <summary>
        /// Gets or sets the maximum zoom value where the style is applied
        /// </summary>
        double MaxVisible { get; set; }

        /// <summary>
        /// Gets or Sets what level-reference the Min/Max values are defined in
        /// </summary>
        VisibilityUnits VisibilityUnits { get; set; }

        /// <summary>
        /// Gets or sets whether objects in this style is rendered or not
        /// </summary>
        bool Enabled { get; set; }
    }
}